Avg High
Perth in July
Avg Low
Rain
Daylight
10h
What to expect
Perth is in mid-winter during July, with the season well established by this point. It generally feels mild and comfortable, and a gentle drop-off once the sun goes down. Conditions tend to feel steady, which makes planning simple. You get a comfortable daylight window for day trips and sightseeing.
July in context
How it compares to the rest of the year in Perth.
Hottest (avg)
#12 / 12
Wettest (avg)
#1 / 12
Daylight Hours
#11 / 12
Windiest (avg)
#8 / 12
Highest UV
#11 / 12
Most Humid
#1 / 12
Monthly climate breakdown
Temperature
- Daytime high
-
- Nighttime low
-
- Feels like (avg)
-
Sunshine
- Daylight hours
- 10.3 h
- UV index (max)
- 4
- Typical sun hours
- 07:13 - 17:30
Rain & Snow
- Total rain
-
- Rainy days
- 16 days
- Cloud cover (avg)
- 48%
Humidity & Wind
- Humidity (avg)
- 76%
- Wind (avg)
-
- Wind (max gusts)
-
Daily climate explorer
Day 15 selected for July. Typical high 17.3°C and low 10.1°C.
Typical disruptions in July
Based on 30 years of historical data, these are the disruption patterns most likely to affect plans in July.
Cold High impact
Cold feels-like nights Measures: Cold feels-like nights (min <=5C). Observed about 30% of days (9.2 days/month) in July. Historical risk signal only, not a day-by-day forecast.
9.2 days / month
~30% of days
Why this matters
- Expected days 9.2 days / month
- Probability ~30% of days
- Intensity Up to ~5°C (P95)
Cold feels-like nights are possible on ~9 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.
Rain High impact
Rain disruption Measures: Likely rain disruption days. Observed about 23% of days (7.2 days/month) in July. Historical risk signal only, not a day-by-day forecast.
7.2 days / month
~23% of days
Why this matters
- Expected days 7.2 days / month
- Probability ~23% of days
- Intensity Up to ~25mm (P95)
Rain disruption risk appears on ~7 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Rain High impact
Washout risk Measures: Washout day risk. Observed about 23% of days (7.0 days/month) in July. Historical risk signal only, not a day-by-day forecast.
7.0 days / month
~23% of days
Why this matters
- Expected days 7.0 days / month
- Probability ~23% of days
- Intensity Up to ~25mm (P95)
Washout conditions are possible on ~7 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Wind High impact
Strong gusts Measures: Strong gust days (>=60 km/h). Observed about 17% of days (5.2 days/month) in July. Historical risk signal only, not a day-by-day forecast.
5.2 days / month
~17% of days
Why this matters
- Expected days 5.2 days / month
- Probability ~17% of days
- Intensity Up to ~90km/h (P95)
Strong gusts are possible on ~5 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Wind High impact
Stormy conditions Measures: Storm-impact proxy days. Observed about 11% of days (3.4 days/month) in July. Historical risk signal only, not a day-by-day forecast.
3.4 days / month
~11% of days
Why this matters
- Expected days 3.4 days / month
- Probability ~11% of days
- Intensity Up to ~89km/h (P95)
Stormy conditions are possible on ~3 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Wind High impact
Severe gusts Measures: Severe gust days (>=80 km/h). Observed about 4% of days (1.2 days/month) in July. Historical risk signal only, not a day-by-day forecast.
1.2 days / month
~4% of days
Why this matters
- Expected days 1.2 days / month
- Probability ~4% of days
- Intensity Up to ~99km/h (P95)
Severe gusts are possible on ~1 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Show all disruptions (16 more)
Rain High impact
Washout run Measures: Multi-day washout runs. Observed about 1.6 days/month in July. Historical risk signal only, not a day-by-day forecast.
1.6 days / month
Probability unavailable
Why this matters
- Expected days 1.6 days / month
- Probability —
- Intensity Up to ~26mm (P95)
Multi-day washout runs are possible on ~2 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Wind High impact
Wind disruption Measures: Disruptive wind days. Observed about 3% of days (0.8 days/month) in July. Historical risk signal only, not a day-by-day forecast.
0.8 days / month
~3% of days
Why this matters
- Expected days 0.8 days / month
- Probability ~3% of days
- Intensity Up to ~98km/h (P95)
Disruptive wind is possible on ~1 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Rain High impact
Very heavy rain Measures: Very heavy rain days (>=25mm). Observed about 1% of days (0.4 days/month) in July. Historical risk signal only, not a day-by-day forecast.
0.4 days / month
~1% of days
Why this matters
- Expected days 0.4 days / month
- Probability ~1% of days
- Intensity Up to ~37mm (P95)
Very heavy rain is possible on ~0 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Wind High impact
Wind disruption run Measures: Multi-day wind disruption runs. Observed about 0.1 days/month in July. Historical risk signal only, not a day-by-day forecast.
0.1 days / month
Probability unavailable
Why this matters
- Expected days 0.1 days / month
- Probability —
- Intensity Up to ~97km/h (P95)
Multi-day disruptive wind runs are possible on ~0 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Rain Moderate
Heavy rain days Measures: Heavy rain days (>=10mm). Observed about 13% of days (4.1 days/month) in July. Historical risk signal only, not a day-by-day forecast.
4.1 days / month
~13% of days
Why this matters
- Expected days 4.1 days / month
- Probability ~13% of days
- Intensity Up to ~28mm (P95)
Heavy rain is possible on ~4 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Rain Minor
Wet days Measures: Wet days (>=0.1mm). Observed about 58% of days (18.1 days/month) in July. Historical risk signal only, not a day-by-day forecast.
18.1 days / month
~58% of days
Why this matters
- Expected days 18.1 days / month
- Probability ~58% of days
- Intensity Up to ~21mm (P95)
Measurable rain is possible on ~18 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Rain Minor
Rainy hours Measures: Rain-hours signal (>=3h rain). Observed about 49% of days (15.3 days/month) in July. Historical risk signal only, not a day-by-day forecast.
15.3 days / month
~49% of days
Why this matters
- Expected days 15.3 days / month
- Probability ~49% of days
- Intensity Up to ~20h (P95)
Several rainy hours are possible on ~15 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Wind Minor
Gusty days Measures: Gusty days (>=40 km/h). Observed about 46% of days (14.3 days/month) in July. Historical risk signal only, not a day-by-day forecast.
14.3 days / month
~46% of days
Why this matters
- Expected days 14.3 days / month
- Probability ~46% of days
- Intensity Up to ~86km/h (P95)
Gusty conditions are possible on ~14 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Rain Minor
Wet most of day Measures: Wet-most-of-day signal (>=6h rain). Observed about 38% of days (11.8 days/month) in July. Historical risk signal only, not a day-by-day forecast.
11.8 days / month
~38% of days
Why this matters
- Expected days 11.8 days / month
- Probability ~38% of days
- Intensity Up to ~22h (P95)
Wet-most-of-day conditions are possible on ~12 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Cloud Minor
Cloudy days Measures: Cloudy days (cloud cover >=60%). Observed about 35% of days (10.7 days/month) in July. Historical risk signal only, not a day-by-day forecast.
10.7 days / month
~35% of days
Why this matters
- Expected days 10.7 days / month
- Probability ~35% of days
- Intensity Up to ~95% (P95)
Cloudy skies are possible on ~11 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Humidity Minor
High humidity Measures: High humidity days (RH >=80%). Observed about 32% of days (10.0 days/month) in July. Historical risk signal only, not a day-by-day forecast.
10.0 days / month
~32% of days
Why this matters
- Expected days 10.0 days / month
- Probability ~32% of days
- Intensity Up to ~89% (P95)
High humidity is possible on ~10 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.
Wind Minor
Breezy days Measures: Breezy days (mean wind >=25 km/h). Observed about 17% of days (5.2 days/month) in July. Historical risk signal only, not a day-by-day forecast.
5.2 days / month
~17% of days
Why this matters
- Expected days 5.2 days / month
- Probability ~17% of days
- Intensity Up to ~39km/h (P95)
Breezy conditions are possible on ~5 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Cloud Minor
Mostly cloudy days Measures: Mostly cloudy days (cloud cover >=80%). Observed about 9% of days (2.7 days/month) in July. Historical risk signal only, not a day-by-day forecast.
2.7 days / month
~9% of days
Why this matters
- Expected days 2.7 days / month
- Probability ~9% of days
- Intensity Up to ~99% (P95)
Mostly cloudy skies are possible on ~3 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Wind Minor
Windy days Measures: Windy days (mean wind >=35 km/h). Observed about 3% of days (0.8 days/month) in July. Historical risk signal only, not a day-by-day forecast.
0.8 days / month
~3% of days
Why this matters
- Expected days 0.8 days / month
- Probability ~3% of days
- Intensity Up to ~45km/h (P95)
Strong mean winds are possible on ~1 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Cold Minor
Cold nights Measures: Cold nights (min <=5C). Observed about 2% of days (0.8 days/month) in July. Historical risk signal only, not a day-by-day forecast.
0.8 days / month
~2% of days
Why this matters
- Expected days 0.8 days / month
- Probability ~2% of days
- Intensity Up to ~5°C (P95)
Cold nights are possible on ~1 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.
Cloud Minor
Overcast days Measures: Overcast days (cloud cover >=95%). Observed about 2% of days (0.6 days/month) in July. Historical risk signal only, not a day-by-day forecast.
0.6 days / month
~2% of days
Why this matters
- Expected days 0.6 days / month
- Probability ~2% of days
- Intensity Up to ~100% (P95)
Overcast skies are possible on ~1 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Frequently asked questions
Is July a good time to visit Perth?
Typical July days in Perth reach highs of 17°C (63°F) with nights around 10°C (50°F). It usually feels mild by day and cool after dark. It is among the wetter months, so it is wise to have some indoor backup plans or flexible activities.
What are temperatures like in July?
In July, you can usually expect highs of 17°C (63°F) and lows near 10°C (50°F). That means mild days and cool nights, so pack layers you can add or remove.
How much does it rain in July?
Rainfall in July averages 109 mm (4.3 in) across roughly 16 days. Overall it is a very wet time of year, so a light rain jacket and waterproof shoes are very handy.
How many hours of daylight are there in July?
You can expect about 10 hours of daylight in July. Sunrise is typically around 07:13 and sunset near 17:30. Days are on the shorter side, so plan activities around limited daylight.
How strong is the sun in July?
UV levels are moderate (around 4); sunscreen and sunglasses are still a good idea.
Is it windy in July?
In July, average wind speeds are around 17 km/h (11 mph), with gusts on the windiest days reaching about 68 km/h (42 mph). On the ground, it is it is a notably windy place, and strong gusts are fairly common.